Finding the Fourth Proportional to 265,220.20, 397,830.30 and 107,453.80
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Solution
The fourth proportional to 265,220.20, 397,830.30 and 107,453.80 is: 161,180.70
Step by Step Solution
- Step 1: Write the proportion equation
265,220.20 : 397,830.30 = 107,453.80 : x - Step 2: Convert to fraction form
265,220.20/397,830.30 = 107,453.80/x - Step 3: Cross multiply
265,220.20x = 397,830.30 × 107,453.80 - Step 4: Simplify right side
265,220.20x = 42,748,377,490.14 - Step 5: Solve for x
x = 42,748,377,490.14/265,220.20 - Step 6: Final answer
x = 161,180.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.